/Engine/Source/Developer/ToolWidgets/Public/Filters/SBasicFilterBar.h
Delegate to create aTTextFilterused to compare FilterType with text queries
typedef TBaseDelegate_NoParams< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ICustomTextFilter](API\Developer\ToolWidgets\Filters\ICustomTextFilter)< FilterType > > > FCreateTextFilter